Bharat Ratra
Kansas State University
H-index: 61
North America-United States
Top articles of Bharat Ratra
Title | Journal | Author(s) | Publication Date |
|---|---|---|---|
Median Statistics Estimate of the Distance to M87 | Publications of the Astronomical Society of the Pacific | Nicholas Rackers Sofia Splawska Bharat Ratra | 2024/3/5 |
Effects of heterogeneous data sets and time-lag measurement techniques on cosmological parameter constraints from Mg ii and C iv reverberation-mapped … | Monthly Notices of the Royal Astronomical Society | Shulei Cao Michal Zajaček Bożena Czerny Swayamtrupta Panda Bharat Ratra | 2024/3 |
Updated observational constraints on spatially-flat and non-flat CDM and XCDM cosmological models | arXiv preprint arXiv:2404.19194 | Javier de Cruz Perez Chan-Gyung Park Bharat Ratra | 2024/4/30 |
Effect of Extinction on Quasar Luminosity Distances Determined from UV and X-Ray Flux Measurements | The Astrophysical Journal | Michal Zajaček Bożena Czerny Narayan Khadka Mary Loli Martínez-Aldama Raj Prince | 2024/1/31 |
Testing the standardizability of, and deriving cosmological constraints from, a new Amati-correlated gamma-ray burst data compilation | arXiv preprint arXiv:2404.08697 | Shulei Cao Bharat Ratra | 2024/4/10 |
Effects of type Ia supernovae absolute magnitude priors on the Hubble constant value | The Astrophysical Journal Letters | Yun Chen Suresh Kumar Bharat Ratra Tengpeng Xu | 2024/3/12 |
, , and other constraints from lower-redshift, non-CMB, expansion-rate data | Physical Review D | Shulei Cao Bharat Ratra | 2023/5/17 |
Extinction biases quasar luminosity distances determined from quasar UV and X-ray flux measurements | arXiv preprint arXiv:2305.08179 | Michal Zajaček Bożena Czerny Narayan Khadka Raj Prince Swayamtrupta Panda | 2023/5/14 |
Current data are consistent with flat spatial hypersurfaces in the? CDM cosmological model but favor more lensing than the model predicts | PHYSICAL REVIEW D | Javier de Cruz Perez Chan-Gyung Park Bharat Ratra | 2023/3/17 |
Low-and high-redshift H II starburst galaxies obey different luminosity-velocity dispersion relations | arXiv preprint arXiv:2310.15812 | Shulei Cao Bharat Ratra | 2023/10/24 |
Accretion disks, quasars and cosmology: meandering towards understanding | Astrophysics and Space Science | Bożena Czerny Shulei Cao Vikram Kumar Jaiswal Vladimír Karas Narayan Khadka | 2023/2 |
Quasar UV/X-ray relation luminosity distances are shorter than reverberation-measured radius–luminosity relation luminosity distances | Monthly Notices of the Royal Astronomical Society | Narayan Khadka Michal Zajaček Raj Prince Swayamtrupta Panda Bożena Czerny | 2023/6 |
Standardizing reverberation-measured C iv time-lag quasars, and using them with standardized Mg ii quasars to constrain cosmological parameters | Monthly Notices of the Royal Astronomical Society | Shulei Cao Michal Zajaček Swayamtrupta Panda Mary Loli Martínez-Aldama Bożena Czerny | 2022/10 |
Do quasar X-ray and UV flux measurements provide a useful test of cosmological models? | Monthly Notices of the Royal Astronomical Society | Narayan Khadka Bharat Ratra | 2022/2 |
Gamma-ray burst data strongly favour the three-parameter fundamental plane (Dainotti) correlation over the two-parameter one | Monthly Notices of the Royal Astronomical Society | Shulei Cao Maria Dainotti Bharat Ratra | 2022/10 |
Standardizing reverberation-measured C time-lag quasars, and using them with standardized Mg quasars to constrain cosmological parameters | Shulei Cao Michal Zajaček Swayamtrupta Panda Mary Loli Martínez-Aldama Bożena Czerny | 2022 | |
Do reverberation-measured Hβ quasars provide a useful test of cosmology? | Monthly Notices of the Royal Astronomical Society | Narayan Khadka Mary Loli Martínez-Aldama Michal Zajaček Bożena Czerny Bharat Ratra | 2022/6 |
Consistency study of high- and low-accreting Mg ii quasars: no significant effect of the Fe ii to Mg ii flux ratio on the radius–luminosity relation dispersion | Monthly Notices of the Royal Astronomical Society | Narayan Khadka Michal Zajaček Swayamtrupta Panda Mary Loli Martínez-Aldama Bharat Ratra | 2022/9 |
Standardizing Platinum Dainotti-correlated gamma-ray bursts, and using them with standardized Amati-correlated gamma-ray bursts to constrain cosmological model parameters | Monthly Notices of the Royal Astronomical Society | Shulei Cao Maria Dainotti Bharat Ratra | 2022/5 |
Using lower redshift, non-CMB, data to constrain the Hubble constant and other cosmological parameters | Monthly Notices of the Royal Astronomical Society | Shulei Cao Bharat Ratra | 2022/7 |
